Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader Ver. 2: Appendix
Confidential UM 360450-210 Revision C Page 276 of 288
© Kapsch TrafficCom Canada Inc. 2014
These drawings and specifications contain confidential and proprietary information and are the property of Kapsch TrafficCom Canada Inc. and are issued in strict
confidence and will be kept confidential and used solely for the purpose intended and for no other purpose and shall not be transmitted, reproduced, copied, and/or
used as the basis for manufacture or sale of apparatus unless otherwise agreed to in writing by Kapsch TrafficCom Canada Inc.
FILE: UM 360450-210 REV C JANUS MPR2 OPERATOR-MAINTENANCE MANUAL.DOCX 08/17/2015 11:42
Kapsch TrafficCom
Term
Meaning
Reference or example
SNR or
S/N
Signal to noise ratio
A comparison of desired signal to the level of
background noise.
SPM
Sync Port Module
PWA board to provide sync signals to the Reader via
the termination network
SSH
Secure shell
SSL
Secure sockets layer
Internet site security access via certificates
Sync
Synchronization
TAB
Tabulation
System of indexing used for variations of assembly
drawings. A drawing number ending in the suffix “-TAB”
will have a list of all other variations of the drawing (can
be from -001 to -999).
TC
Toll collection
a Reader application
TCP
Toll Collection Programming
Software modules used to collect tolls
TCP/IP
Transmission Control
Protocol/Internet Protocol
The Internet Protocol Suite is the set of protocols used
for the Internet, and other systems or Intranets
TDM
Time Division Multiplexing
An RF module that is able to scan OBUs through time
sequencing by using time difference between one OBU
and another.
TM
Traffic management
a Reader application
TMP
Traffic Management
Programming
Software modules used for traffic management
TTO
Transponder timeout
TX or Tx
transmit or transmitter
Communications or RF Module functions
TXD
Transmit data
RS232 pin assignment
UDP
User Datagram Protocol
an Internet protocol that is faster than TCP but offers
no error correction
UL
Underwriter Laboratories
Underwriter Laboratories Inc.
URL
Uniform resource locator